Why are doctors recommending Zantac (ranitidine) for an allergic reaction or hives?

In brief:
Good question

Hives (or urticaria) represent a sensitivity to something dilating the small vessels under the skin, causing a raised pink lesion; if u press on it, it will blanch, let it go it pinks up again.

Many causes: foods, chemicals, perfumes, very often stress. Stress can increase acid formation in stomach, Zantac (ranitidine) reduces it. Over 50% of time, one can't find cause. I treat initially c antihistamines.

In brief:
Good question

Hives (or urticaria) represent a sensitivity to something dilating the small vessels under the skin, causing a raised pink lesion; if u press on it, it will blanch, let it go it pinks up again.

Many causes: foods, chemicals, perfumes, very often stress. Stress can increase acid formation in stomach, Zantac (ranitidine) reduces it. Over 50% of time, one can't find cause. I treat initially c antihistamines.
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In brief:
Antihistamine also

They're called h-2 receptors. The histamine receptors in your blood vessels & nerve endings are primarily h-1 receptors with some h-2 receptors. When h-1 active anthistamines like Benadryl (diphenhydramine) or Allegra are not sufficient to control hives Zantac can be added for a little extra control. Alone it's not very good.

In brief:
Antihistamine also

They're called h-2 receptors. The histamine receptors in your blood vessels & nerve endings are primarily h-1 receptors with some h-2 receptors. When h-1 active anthistamines like Benadryl (diphenhydramine) or Allegra are not sufficient to control hives Zantac can be added for a little extra control. Alone it's not very good.
Would you like to video or text chat with me?

In brief:
Antihistamine

There are several different type of histamine receptor. Zantac (ranitidine) is a medicine that blocks the stomach histamine receptor that produces acid. Hence its effectiveness in acid reflux disease. In some patients blocking both the skin histamine receptor and the stomach histamine receptor helps with their hives.

In brief:
Antihistamine

There are several different type of histamine receptor. Zantac (ranitidine) is a medicine that blocks the stomach histamine receptor that produces acid. Hence its effectiveness in acid reflux disease. In some patients blocking both the skin histamine receptor and the stomach histamine receptor helps with their hives.
Would you like to video or text chat with me?